body{
  width: 100vw;
  height: 100vh;
  background-color:#34495e;
  display: flex;
  flex-direction: column;
  justify-content:center;
  align-items:center;
}

.btns{
  display: flex;
}

.colorBox,.widthBox{
  display: flex;
  margin-right: 5px;
}

.colorBox div,.widthBox div{
  width: 20px;
  height: 20px;
}

.widthBox div{
  background-color: white;
  border-right: 1px solid #ccc;
  display: flex;
  justify-content:center;
  align-items:center;
}

.short-img{
  width: 300px;
  margin-top: 20px;
}